Home / 2,192,278.96-3,288,418.44-772,002.28

Finding the Fourth Proportional to 2,192,278.96, 3,288,418.44 and 772,002.28

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Solution

The fourth proportional to 2,192,278.96, 3,288,418.44 and 772,002.28 is: 1,158,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,278.96 : 3,288,418.44 = 772,002.28 : x
  2. Step 2: Convert to fraction form
    2,192,278.96/3,288,418.44 = 772,002.28/x
  3. Step 3: Cross multiply
    2,192,278.96x = 3,288,418.44 × 772,002.28
  4. Step 4: Simplify right side
    2,192,278.96x = 2,538,666,533,274.04
  5. Step 5: Solve for x
    x = 2,538,666,533,274.04/2,192,278.96
  6. Step 6: Final answer
    x = 1,158,003.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.